Home / 14,449.20-21,631.56-13,065.72

Finding the Fourth Proportional to 14,449.20, 21,631.56 and 13,065.72

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Solution

The fourth proportional to 14,449.20, 21,631.56 and 13,065.72 is: 19,560.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,449.20 : 21,631.56 = 13,065.72 : x
  2. Step 2: Convert to fraction form
    14,449.20/21,631.56 = 13,065.72/x
  3. Step 3: Cross multiply
    14,449.20x = 21,631.56 × 13,065.72
  4. Step 4: Simplify right side
    14,449.20x = 282,631,906.12
  5. Step 5: Solve for x
    x = 282,631,906.12/14,449.20
  6. Step 6: Final answer
    x = 19,560.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.